6,18-Dimethyl-12-methylidene-10,14,28,31,34,37,40-heptaoxa-3,21-diazapentacyclo[39.3.1.123,27.04,9.015,20]hexatetraconta-1(45),4(9),5,7,15(20),16,18,23(46),24,26,41,43-dodecaene-2,22-dione 反应 5.0h,
以71%的产率得到7,15-Dimethyl-11-methylidene-3,19,26,29,32,35,38-heptaoxa-45,46-diazaheptacyclo[37.3.1.12,5.117,20.121,25.04,9.013,18]hexatetraconta-1(43),2(46),4(9),5,7,13(18),14,16,20(45),21(44),22,24,39,41-tetradecaene